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Other Postretirement Benefits
 3 Months Ended
Mar. 31, 2023
Retirement Benefits [Abstract]  
Other Postretirement Benefits Other Postretirement Benefits
Total Periodic Benefit Cost
The components of the Companies’ total periodic other postretirement benefit cost/(credit) for the three months ended March 31, 2023 and 2022 were as follows:
 
For the Three Months Ended March 31,
  
          Con Edison          CECONY
(Millions of Dollars)2023202220232022
Service cost - including administrative expenses$4$5$3$4
Interest cost on projected other postretirement benefit obligation149128
Expected return on plan assets(18)(18)(14)(14)
Recognition of net actuarial gain(4)(1)(2)(1)
TOTAL PERIODIC OTHER POSTRETIREMENT BENEFIT CREDIT$(4)$(5)$(1)$(3)
Cost capitalized(2)(2)(1)(2)
Reconciliation to rate level1404
Total expense (credit) recognized$(5)$(3)$(2)$(1)

For information about the presentation of the components of other postretirement benefit costs, see Note E.

Expected Contributions
Based on estimates as of March 31, 2023, the Companies expect to make a contribution of $13 million (all of which is to be made by CECONY) to the other postretirement benefit plans in 2023. The Companies' policy is to fund the total periodic benefit cost of the plans to the extent tax deductible.